From 1a28416e1095f2b8015195db7f8273b6f7953ab6 Mon Sep 17 00:00:00 2001
From: Simon Willison <swillison@gmail.com>
Date: Sun, 21 Jun 2026 15:54:19 -0700
Subject: [PATCH] Fix for detect_fts failing on [], refs #694

---
 sqlite_utils/db.py |  2 +-
 tests/test_fts.py  | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/sqlite_utils/db.py b/sqlite_utils/db.py
index 677a1f8..d447cd2 100644
--- a/sqlite_utils/db.py
+++ b/sqlite_utils/db.py
@@ -2776,7 +2776,7 @@ class Table(Queryable):
                 )
         """).strip()
         args = {
-            "like": '%VIRTUAL TABLE%USING FTS%content="{}"%'.format(self.name),
+            "like": "%VIRTUAL TABLE%USING FTS%content=[{}]%".format(self.name),
             "like2": '%VIRTUAL TABLE%USING FTS%content="{}"%'.format(self.name),
             "table": self.name,
         }
diff --git a/tests/test_fts.py b/tests/test_fts.py
index 9c635ff..ba4b32c 100644
--- a/tests/test_fts.py
+++ b/tests/test_fts.py
@@ -420,6 +420,29 @@ def test_enable_fts_replace_does_nothing_if_args_the_same():
     assert all(q[0].startswith("select ") for q in queries)
 
 
+def test_enable_fts_replace_handles_legacy_bracket_quoted_content_table():
+    db = Database(memory=True)
+    db["books"].insert(
+        {
+            "id": 1,
+            "title": "Habits of Australian Marsupials",
+            "author": "Marlee Hawkins",
+        },
+        pk="id",
+    )
+    db.executescript("""
+        CREATE VIRTUAL TABLE [books_fts] USING FTS5 (
+            [title],
+            content=[books]
+        );
+    """)
+
+    db["books"].enable_fts(["title", "author"], replace=True)
+
+    assert db["books_fts"].columns_dict.keys() == {"title", "author"}
+    assert 'content="books"' in db["books_fts"].schema
+
+
 def test_enable_fts_error_message_on_views():
     db = Database(memory=True)
     db.create_view("hello", "select 1 + 1")